@effect_performer
def perform_tenant_scope(
        authenticator, log, service_configs, throttler,
        dispatcher, tenant_scope,
        _concretize=concretize_service_request):
    """
    Perform a :obj:`TenantScope` by performing its :attr:`TenantScope.effect`,
    with a dispatcher extended with a performer for :obj:`ServiceRequest`
    intents. The performer will use the tenant provided by the
    :obj:`TenantScope`.
    """
    @sync_performer
    def scoped_performer(dispatcher, service_request):
        return _concretize(
            authenticator, log, service_configs, throttler,
            tenant_scope.tenant_id, service_request)
    new_disp = ComposedDispatcher([
        TypeDispatcher({ServiceRequest: scoped_performer}),
        dispatcher])
    return new_disp, tenant_scope.effect